UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121000.upa.cvt Date: 0000Z 10 DEC 25 Searching for X8341... Searching the city database file for: X8341 ... Date:0000Z 10 DEC 25 Station: X8341 WMO ident: 38341 Latitude: 42.85 Longitude: 71.38 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- 0 1000 272 SFC 953 650 -5.1 -5.8 95 0.7 -5.3 60 5 271.8 272.2 270.4 278.9 2.60 2 925 884 -6.9 -6.9 100 0.0 -6.9 350 9 272.3 272.7 270.5 279.0 2.46 3 850 1540 -9.9 -9.9 100 0.0 -9.9 290 7 275.8 276.1 272.1 281.7 2.12 4 837 1659 -10.3 -10.3 100 0.0 -10.3 287 10 276.6 276.9 272.6 282.4 2.08 5 780 2205 -8.1 -8.1 100 0.0 -8.1 275 23 284.6 285.0 277.7 292.2 2.66 6 730 2720 -8.5 -8.5 100 0.0 -8.5 263 36 289.6 290.1 280.3 297.7 2.75 7 710 2934 -12.5 -12.5 100 0.0 -12.5 258 41 287.5 287.8 278.4 293.6 2.06 8 700 3042 -13.3 -13.4 99 0.1 -13.3 255 44 287.8 288.1 278.4 293.5 1.94 9 696 3086 -13.7 -14.2 96 0.5 -13.9 255 44 287.8 288.1 278.3 293.2 1.83 10 670 3375 -15.1 -17.1 85 2.0 -15.6 258 47 289.4 289.6 278.6 293.9 1.49 11 651 3593 -13.9 -15.6 87 1.7 -14.4 259 49 293.1 293.4 280.6 298.4 1.74 12 642 3698 -15.9 -18.0 84 2.1 -16.4 260 50 292.0 292.3 279.7 296.4 1.44 13 500 5550 -25.1 -33.1 47 8.0 -26.2 275 68 302.4 302.5 283.0 304.0 0.47 14 400 7130 -36.3 -46.3 35 10.0 -37.0 280 75 307.8 307.8 284.7 308.4 0.15 15 300 9060 -50.7 -62.7 23 12.0 -51.0 280 99 313.9 313.9 286.8 314.0 0.03 16 251 10205 -60.1 -75.1 12 15.0 -60.2 275 101 316.4 316.4 287.5 316.4 0.01 17 250 10230 -60.1 -75.1 12 15.0 -60.2 275 101 316.7 316.7 287.6 316.7 0.01 18 224 10906 -64.3 -79.3 11 15.0 -64.4 280 89 320.4 320.4 288.9 320.4 0.00 19 200 11600 -62.3 -76.3 14 14.0 -62.4 280 95 334.1 334.1 292.8 334.1 0.01 20 159 13018 -60.3 -74.3 14 14.0 -60.4 280 79 360.1 360.1 298.7 360.2 0.01 21 150 13380 -60.5 -75.5 12 15.0 -60.7 280 75 365.9 365.9 299.8 365.9 0.01 22 100 15870 -65.1 -93.1 1 28.0 -65.3 280 69 401.9 401.9 305.5 401.9 0.00 23 81 17143 -67.9 -94.9 1 27.0 -68.0 274 77 421.2 421.2 307.9 421.2 0.00 24 77 17450 -64.9 -92.9 1 28.0 -65.1 273 79 433.6 433.6 309.2 433.6 0.00 25 70 18030 -65.1 -93.1 1 28.0 -65.3 270 83 445.1 445.1 310.4 445.1 0.00 26 65 18480 -66.3 -94.3 1 28.0 -66.5 272 83 452.0 452.0 311.0 452.0 0.00 27 50 20090 -60.9 -90.9 1 30.0 -61.4 280 85 500.0 500.0 314.9 500.0 0.00 28 47 20475 -59.7 -89.7 1 30.0 -60.3 278 86 511.8 511.8 315.8 511.8 0.00 29 30 23260 -61.9 -90.9 1 29.0 -62.6 265 97 575.9 575.9 319.5 575.9 0.00 30 24 24630 -65.1 -93.1 1 28.0 -65.7 271 98 604.5 604.5 320.8 604.6 0.00 31 22 25170 -58.1 -89.1 1 31.0 -59.6 273 99 640.6 640.6 322.3 640.7 0.01 32 20 25770 -58.1 -89.1 1 31.0 -59.7 275 99 658.3 658.3 323.0 658.4 0.01 33 18 26434 -57.9 -88.9 1 31.0 -59.7 679.1 679.1 323.7 679.2 0.01 34 17 26799 -52.3 -84.3 1 32.0 -55.5 708.3 708.3 324.7 708.4 0.02 35 14 28051 -53.6 -85.6 1 32.0 -56.9 265 112 744.3 744.3 325.8 744.4 0.02 36 13 28527 -54.1 -86.1 1 32.0 -57.4 758.5 758.5 326.2 758.6 0.02 37 11 29618 -46.5 -80.5 1 34.0 -53.1 823.2 823.3 327.8 823.8 0.06 TRP 224 10906 -64.3 -79.3 11 15.0 -64.4 280 89 320.4 320.4 288.9 320.4 0.00 WND 14 28051 -53.6 -85.6 1 32.0 -56.9 265 112 744.3 744.3 325.8 744.4 0.02 Sounding variables and indices 1000-500 mb thick: 5278.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.35 inches Sfc-500 mean rel hum: 84.98 % Est. max temperature: 4.25 C = 39.66 F Sfc-Lift cond lev (LCL): 942.31 mb = 738.78 m = 2423.79 ft T: -5.78 C 700-500 lapse rate: 4.70 C/km ThetaE index: 4.45 C Layer 710.0- 670.0 mb Conv cond level (CCL): 902.15 mb = 1078.07 m = 3536.92 ft Mean mixing ratio: 2.36 g/kg Conv temperature: -3.59 C = 25.54 F Cap Strength: 13.33 C Lifted Index: 18.88 C Risk: None Lifted Index @300 mb: 24.10 C Lifted Index @700 mb: 9.41 C Showalter Index: 17.48 C Risk: None Total Totals Index: 30.40 C Risk: None Vertical Totals Index: 15.20 C Cross Totals Index: 15.20 C K Index: 5.20 Risk: None Sweat Index: 82.00 Risk: None Energy Index: 4.72 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.46 J/kg Max Up Vert Vel: 5.74 m/s Conv Inhibition (B-): 52996.71 J/kg Cap Strength: 18.85 C Lift Cond Lev (LCL): 900.27 mb = 1094.20 m = 3589.86 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 300 at 33 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 953 650 60 5 -4.3 -2.5 | 113 36 -33.1 14.2 1 925 884 350 9 1.6 -8.9 | 106 28 -27.2 7.8 2 850 1540 290 7 6.6 -2.4 | 123 26 -22.2 14.3 3 700 3042 255 44 42.5 11.4 | 206 31 13.8 28.1 4 500 5550 275 68 67.7 -5.9 | 255 40 39.0 10.8 5 400 7130 280 75 73.9 -13.0 | 265 45 45.1 3.7 6 300 9060 280 99 97.5 -17.2 | 270 69 68.8 -0.5 7 250 10230 275 101 100.6 -8.8 | 264 72 71.9 7.9 8 224 10906 280 89 87.6 -15.5 | 269 59 58.9 1.3 9 200 11600 280 95 93.6 -16.5 | 270 65 64.8 0.2 10 150 13380 280 75 73.9 -13.0 | 265 45 45.1 3.7 11 100 15870 280 69 68.0 -12.0 | 263 39 39.2 4.7 12 70 18030 270 83 83.0 -0.0 | 253 57 54.3 16.7 13 50 20090 280 85 83.7 -14.8 | 268 55 55.0 2.0 14 30 23260 265 97 96.6 8.5 | 250 72 67.9 25.2 15 20 25770 275 99 98.6 -8.6 | 263 70 69.9 8.1 Wind Parameters Mean winds (0-6000m): 270.2 at 44.3 knts Storm direction: 300.2 at 33.2 knts Shear (0-3000m) pos: 1.0 neg: 8.6 tot: 9.5 10-3/s Storm rel Dir Shear (0-3000m): 105.3 deg Storm rel helicity (0-3000m) pos: 252.8 neg: -37.9 tot: 214.9 m^2/s^2 ave: 71.6 10^-3 m/s^2 rel: 0.58 Storm rel vorticity (0-3000m) horiz: 11.2 stream: 6.5 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.06 Bulk Shear: 254.72 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 352 8 108 29| 0.0 10.2 10.2| 21.6 -37.9 -16.2 -32.5 -0.09| 13.3 -1.3 1000 329 8 112 27| 0.0 7.0 7.0| 61.1 -37.9 23.2 23.2 0.23| 10.4 2.4 1500 301 10 120 23| 0.0 9.0 9.0|108.2 -37.9 70.3 46.9 0.43| 11.3 4.8 2000 280 15 135 20| 0.0 10.0 10.0|162.6 -37.9 124.8 62.4 0.56| 12.0 6.7 2500 266 20 154 20| 0.0 10.3 10.3|204.5 -37.9 166.6 66.7 0.54| 12.2 6.6 3000 263 24 166 20| 1.0 8.6 9.5|252.8 -37.9 214.9 71.6 0.58| 11.2 6.5 4000 264 32 188 20| 2.3 6.4 8.7|358.8 -37.9 321.0 80.2 0.64| 10.0 6.4 5000 268 39 209 21| 3.1 5.1 8.2|473.8 -37.9 436.0 87.2 0.68| 9.2 6.3 6000 270 44 223 23| 3.1 4.3 7.3|530.7 -37.9 492.8 82.1 0.69| 8.2 5.7 Wrote GIF file: /home/apache/climate/data/raob//X8341/skewt/X8341.skewt.20251210.00.gif